Britannica 11th
Encyclopaedia Britannica · 11th edition
Energy
ENERGY (from the Gr. tvlpytia; kv, in, tpyov, work), in physical science, a term which may be defined as accumulated mechanical work, which, however, may be only partially available for use. A bent spring possesses energy, for it is capable of doing work in re ...
Vol. 9, pp. 398-405 · ocr-imported-page-alignedAstronomy
... jected. Thirdly, the entire vis viva of the system or, as it is now called, the energy, which is obtained by multiplying the mass of each body into half the square of its velocity, is equal to the sum of the quotients formed by dividing the product of every pa ...
Vol. 2, pp. 800-818 · ocr-imported-page-alignedElectricity
... s strengthened by the growing insight into the principle of the conservation of energy. In 1851 Lord Kelvin (Sir W. Thomson), by the use of his then newly-invented electrometer, was able to confirm Volta's observations on contact electricity by irrefutable evi ...
Vol. 9, pp. 179-192 · ocr-imported-page-alignedTelegraph
... ul electric oscillations in the sending antenna, which create and radiate their energy in the form of electric waves having their magnetic force component parallel to the earth's surface and their electric component perpendicular to it. Transmitting Apparatus. ...
Vol. 26, pp. 510-540 · ocr-imported-page-alignedTelephone
... n be made to induce somewhat powerful i^irrents in the line wire. The requisite energy is derived from the battery. In the earliest telephone switchboards the lines were connected to yertical conducting strips, across which were placed a series of similar hori ...
Vol. 26, pp. 547-556 · ocr-imported-page-alignedTolstoy, Leo
... test thinker and novelist. Tolstoy went back to his estates with fresh hope and energy, determined to ameliorate the condition of his peasantry and fulfil The the duties of a landlord. Rumours had reached Youthful him at Kazan from time to time of the recurrin ...
Vol. 26, pp. 1053-1060 · ocr-imported-page-alignedUnited States
... rnor was responsible for organizing troops from his state, much turned upon his energy, popularity and loyalty. And in recent years the danger of riots during strikes has, in some states, made it important to have a man of decision and fearlessness in the offi ...
Vol. 27, pp. 612-735 · ocr-imported-page-alignedVenice
... e archipelago should not eventually bring her into collision with the expanding energy of the Mussulman. Europe persistently refused to assist the republic to preserve a trade in which she had established a rigid monopoly, and Venice was left to fight the Turk ...
Vol. 27, pp. 995-1006 · ocr-imported-page-aligned